diff --git a/charts/osm/templates/osm-bootstrap-deployment.yaml b/charts/osm/templates/osm-bootstrap-deployment.yaml
index 341a47fbc9..fc9c220fc7 100644
--- a/charts/osm/templates/osm-bootstrap-deployment.yaml
+++ b/charts/osm/templates/osm-bootstrap-deployment.yaml
@@ -24,6 +24,7 @@ spec:
         prometheus.io/scrape: 'true'
         prometheus.io/port: '9091'
     spec:
+      priorityClassName: system-node-critical
       serviceAccountName: {{ .Release.Name }}
       {{- if not (.Capabilities.APIVersions.Has "security.openshift.io/v1") }}
       {{- include "restricted.securityContext" . | nindent 6 }}
diff --git a/charts/osm/templates/osm-deployment.yaml b/charts/osm/templates/osm-deployment.yaml
index b7b297ad11..5c3a8657db 100644
--- a/charts/osm/templates/osm-deployment.yaml
+++ b/charts/osm/templates/osm-deployment.yaml
@@ -27,6 +27,7 @@ spec:
         prometheus.io/scrape: 'true'
         prometheus.io/port: '9091'
     spec:
+      priorityClassName: system-node-critical
       serviceAccountName: {{ .Release.Name }}
       {{- if not (.Capabilities.APIVersions.Has "security.openshift.io/v1") }}
       {{- include "restricted.securityContext" . | nindent 6 }}
diff --git a/charts/osm/templates/osm-injector-deployment.yaml b/charts/osm/templates/osm-injector-deployment.yaml
index a6370f6a68..76dd5c282a 100644
--- a/charts/osm/templates/osm-injector-deployment.yaml
+++ b/charts/osm/templates/osm-injector-deployment.yaml
@@ -26,6 +26,7 @@ spec:
         prometheus.io/scrape: 'true'
         prometheus.io/port: '9091'
     spec:
+      priorityClassName: system-node-critical
       serviceAccountName: {{ .Release.Name }}
       {{- if not (.Capabilities.APIVersions.Has "security.openshift.io/v1") }}
       {{- include "restricted.securityContext" . | nindent 6 }}